/*
 * The MIT License (MIT)
 *
 * Copyright (c) 2015 d3leaf@126.com
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */
package com.mapperdb.provider;

import static com.mapperdb.helper.SqlNodeHelper.getIfNotNull;

import java.util.ArrayList;
import java.util.List;
import org.apache.ibatis.annotations.Result;
import org.apache.ibatis.annotations.SelectKey;
import org.apache.ibatis.scripting.xmltags.SqlNode;
import org.apache.ibatis.scripting.xmltags.StaticTextSqlNode;

import com.mapperdb.helper.ResultHelper;

public class InsertMapperProvider extends BaseMapperProvider {

	/**
	 * 插入全部
	 * @return
	 */
	public SqlNode insert() {
		//insert into table
		addSqlNode("INSERT INTO " + resultEntity.tableName());
		//插入全部的(列名,列名...)
		addSqlNode("(" + resultEntity.getInsertColumns() + ")");

		List<SqlNode> ifNodes = new ArrayList<SqlNode>();
		//处理所有的values(属性值,属性值...)
		Result[] results = resultEntity.results();
		SelectKey selectKey = resultEntity.selectKey();
		for (Result column : results) {
			if (resultEntity.isKey(column, selectKey)) continue;
			ifNodes.add(new StaticTextSqlNode(ResultHelper.format(column) + ","));
		}
		//values(#{property},#{property}...)
		addTrimSqlNode(ifNodes, "VALUES (", null, ")", ",");
		return toSqlNode();
	}

	/**
	 * 插入不为null的字段
	 * @return
	 */
	public SqlNode insertSelective() {
		//insert into table
		addSqlNode("INSERT INTO " + resultEntity.tableName());
		List<SqlNode> columns = new ArrayList<SqlNode>();
		List<SqlNode> values = new ArrayList<SqlNode>();

		//获取全部列
		Result[] columnList = resultEntity.results();
		//处理values(#{property},#{property}...)
		//处理table(column,column...)
		SelectKey selectKey = resultEntity.selectKey();
		for (Result column : columnList) {
			if (resultEntity.isKey(column, selectKey)) continue;

			columns.add(getIfNotNull(column, new StaticTextSqlNode(column.column() + ",")));
			values.add(getIfNotNull(column, new StaticTextSqlNode(ResultHelper.format(column) + ",")));
		}

		//table(column,column...)
		addTrimSqlNode(columns, "(", null, ")", ",");
		//values(#{property},#{property}...)
		addTrimSqlNode(values, "VALUES (", null, ")", ",");
		return toSqlNode();
	}

}
